format

Hello fellas. I have asus strix x99 gaming,i7 6800k,32gb ram,asusgtx 1080gaming,corsair hx1050 powersupply i have 1 samsung ssd 970 evo nme m.2 250gb&and i also have the 960evonme m.2 500gb and also a samsung 850 evo 500gb all new and i have to start the windows format ,i know i should use the...

I have installed Windows 10 on my desktop PC. My question is: Does Windows 10 store any data in the UEFI or motherboard itself, and if yes, what kind of data? I'm asking this because I'm looking to format my system as completely and thoroughly as possible. How should one go about this?

I'm planning to format my mp3/mp4 player (Cowon D2+) because I suspect there is some kind of virus in it. And I worry that after formatting system disk I won't be able to turn in on, on the Internet I have found firmware update not base firmware for this model. Or could it be that firmware is...

I have a old external hard drive and wanna to sell it, but there are many business document in it, even I deleted them and formatted my drive, but I still worry about that someone could retrieve my data with some program data recovery, so, I was wondering how to completely erase external hard...